Tag: "chemical" at medical news
Tufts professor launches program to mentor deaf students in state-of-the-art physics research
...lty from the physics, chemistry and biological and chemical
engineering departments. The Tufts program incorporates a classroom portion to teach the students how to communicate effectively: how to write a scientific report, how to maintain a laboratory notebook, how to make a group meeting presentation, and ...
First medical test on CD gets good results
...hogens and toxins, said L. James Lee, professor of chemical
and biomolecular engineering at Ohio State. The sa... the CD, and better techniques for controlling the chemical
reactions." "When we work on the micro-scale, we can perform tests faster and using less material, b...
3D neutron-based medical imaging, 4D lung scans, and hitting a moving tumor
...n easily identify almost every naturally occurring chemical
element in the body. Called Neutron Stimulated Emi...h distinctive energies that depend on the specific chemical
identities of the atoms and molecules to which the nuclei belong. At the AAPM meeting, Carey Floyd...
Researchers examine oleic acid in atmosphere
...uch about how the orientation of molecules affects chemical
reactions." Gopalakrishnan conducted the work with Heather Allen, an assistant professor of chemistry at Ohio State. Gopalakrishnan presented their findings in Columbus on June 25 at the annual Molecular Spectroscopy Symposium. The re...
Nanoshells cancer treatment proves effective in first animal test
...aid Jennifer West, professor of bioengineering and chemical
engineering. "These results confirm that nanoshells are effective agents for the photothermal treatment of in vivo tumors." Results of the study are published in the June 25 issue of the journal Cancer Letters. Invented in the 1990s by Naomi Halas at...
UCI center finds perchlorate may be acceptable in drinking water at higher levels
...into groundwater supplies from defense sites is a chemical
that interferes with the normal function of the thyroid gland. In adults and children, the thyroid helps regulate metabolism. In children, it also plays a major role in proper development. Impaired thyroid function in expectant mothers may affect the...
Flavonoid-rich dark chocolate boosts blood vessel function, study suggests
... chocolate over a few days. Flavonoids, a group of chemical
compounds with antioxidant properties, are derived from a variety of plants. They have been shown to promote several beneficial effects in the cardiovascular system, including decreasing oxidation of LDL cholesterol (a harmful process that allows cho...
Long Island Breast Cancer Study data: Aspirin helps protect some women against breast cancer
...sible because aspirin is thought to work through a chemical
pathway in the body called Cox-2, and estrogen appears to interact with that pathway. "ER-positive breast cancer is the predominant type of breast cancer among postmenopausal women, and postmenopausal women make up about 75 percent of all newly diagn...
Aspirin use associated with reduced risk of breast cancer
...n has been centered on chemoprevention, the use of chemical
agents to prevent or inhibit the carcinogenic process, according to background information in the article. Use of aspirin and other nonsteroidal anti-inflammatory drugs (NSAIDs) has been associated with a decrease in the risk of several cancers, inc...
Yerkes researchers discover combination of drug therapies reduces cocaine use in primates
...n and SERT inhibition, which is known to block the chemical
effects of cocaine in the brain and reduce addictive properties, to determine if cocaine use was further reduced. "Pretreatments with the combination therapy were very effective in eliminating cocaine use. Moreover, drug substitution tests with the ...
Treadmill with care UU researchers warn
...iduals who exercise sporadically can cause serious chemical
damage to their bodies. "Our results highlight that you must 'eat healthy' at all times and ensure you have a proper intake of vitamins if you are involved in high-intensity exercise," said researcher Dr Ciara Hughes. "If you are into high intensit...
UCI Tobacco research center reports why teens are most vulnerable to smoking addiction
...negative effects of nicotine as strongly. Another chemical
in cigarette smoke works with nicotine to produce more rewarding effects in young people than nicotine alone can do. Together, these chemicals can alter the moods, behaviors and thought processes of teens. Nicotine causes changes in the adolescent ...
New compound may act to keep thyroid activity in check
...an said. "T1 amine acts this quickly, and it has a chemical
structure similar to dopamine or serotonin. Since ...compounds. This analysis identified a small set of chemical
groups that were important. Our interest turned to thyroid hormone because it contains each of these...
New molecule may be basis for drugs that battle overeating and drug dependency
Irvine, Calif., May 14, 2004 -- A new synthetic chemical
may provide the framework for future drugs that can treat a variety of brain-based ailments, ranging from overeating and drug dependency to neuropathic pain. Daniele Piomelli, professor of pharmacology at the UC Irvine College of Medicine, and collea...
Small, frequent doses of caffeine best strategy for staying awake
...ht to block the receptor for adenosine, a critical chemical
messenger involved in the homeostatic drive for sleep. If that were true, then caffeine would be most effective if it were administered in parallel with growing pressure from the sleep homeostatic system, and also with accumulating adenosine. To tes...
New study: Small, frequent doses of caffeine best strategy for staying awake
...ht to block the receptor for adenosine, a critical chemical
messenger involved in the homeostatic drive for sleep. If that were true, then caffeine would be most effective if it were administered in parallel with growing pressure from the sleep homeostatic system, and also with accumulating adenosine. To test...
Univ. of Pittsburgh researcher presents six-year results of botox injections for bladder dysfunction
...ve endings of muscles, blocking the release of the chemical
that causes the muscles to contract. When injected into specific muscles, the muscle becomes paralyzed or weakened, but leaves surrounding muscles unaffected, allowing for normal muscle function. Common urologic conditions like neurogenic detrusor h...
It's a gamble: Dopamine levels tied to uncertainty of rewards
...h as gambling and offers promise for exploring the chemical
foundation of problems such as gambling addiction....man research subjects who had been injected with a chemical
that binds to dopamine receptors in the brain, but is less able to bind when the brain is releasing ...
MRI proves more sensitive than CT in detecting adrenal adenomas
... (with 42 adrenal masses) who had undergone both a chemical
shift MRI and unenhanced CT, said Gary Israel, MD,... Israel. Most radiologists would probably say that chemical
shift MRI and unenhanced CT are equivalent in characterizing adrenal adenomas, but this has not prev...
Researchers define mechanism that enables stem cells to track migrating brain tumor cells
... and released by a variety of types of cells. Like chemical
magnets, in a sense, they attract cells that have compatible receptors on their surfaces. When the proteins bind at the receptors, they activate internal signaling pathways that cause a cell to behave in a certain way. CXCR4 is known to govern cellul...
1 2 3 4 5 6 7 8 9 10